An upper-class Manhattan divorcee comes to believe that her brother is possessed by the spirit of a serial killer who beheaded young women in Spanish Harlem.

A crook decides to bump off members of his inept crew and blame their deaths on a legendary sea creature. What he doesn't know is that the creature is real.

Charlie is a dope smuggler who lives on his own private desert island and rules over the natives with an iron fist. When the native stooges get out of line, Charlie literally cracks the whip on his insubordinate subordinates. When a sexpot named Glory comes to the island, he holds her prisoner and makes her go-go dance for him.

Based on a real-life death penalty case in Puerto Rico. The execution of Arocho and Clemente was one of the last ones to take place in the island.

Henchmen of the dictator from a South American country blackmail Nick Thomas into being a government spy. The former smuggler is to pose as a priest and enter a monastery thought to be sympathetic with rebel guerrillas. The release of the film coincided with real-life events, as Catholic priests continued to be the victims of government persecution throughout Latin America.

Man hides out in Puerto Rico from the police and his double-crossing attorney.